String GITHUB_REPOSITORY = 'lambda-dd-search'
String ECR_ACCOUNT_ID = '086679231553'
List<String> AWS_REGIONS = ['us-east-1']
String SLACK_NOTIFICATIONS_CHANNEL = '#distro-build-alerts'
String QA_ACCOUNT_ID = '437795906767'
String QA_DEPLOYMENT_ROLE = 'prod-jenkins-aws-pipeline-agent'
String PROD_ACCOUNT_ID = '437795906767'
String PROD_DEPLOYMENT_ROLE = 'prod-jenkins-aws-pipeline-agent'

@groovy.transform.Field
List<String> functionsToBuild = null

Map<String, List<String>> lambdaVulnerabilityMap = [
    'dd_search_os': []
]

pipeline {
    agent none

    options {
        ansiColor('xterm')
        disableConcurrentBuilds()
        timestamps()
    }

    parameters {
        booleanParam(
            name: 'DEPLOY_TO_PROD',
            defaultValue: true,
            description: 'Whether or not to deploy to prod.'
        )
        string(
            name: 'LAMBDA_FUNCTION_NAMES',
            defaultValue: '',
            description: 'Comma-separated list of Lambda function directory names to build and deploy'
        )
        string(
            name: 'SHARED_LIBRARIES_VERSION',
            defaultValue: 'master',
            description: 'The version of the Jenkins shared libraries to use. Can be a branch, tag, Git revision or PR ref (e.g. pull/PR_NUMBER/merge).'
        )
    }

    triggers {
        issueCommentTrigger('.*retest this please.*')
    }

    stages {
        stage('Load Shared Libraries') {
            steps {
                library "jenkins-global-libraries@${params.SHARED_LIBRARIES_VERSION}"
            }
        }

        stage('Compliance Checks') {
            agent any
            steps {
                complianceChecks()
            }
        }

        stage('Validate Software Catalog Definition') {
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    echo "Validating Software Catalog definition for ${functionName}"
                    datadogSoftwareCatalogValidate(servicePath: "lambda/${functionName}")
                }
            }
        }

        stage('Unit Tests and Style Checks') {
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    script {
                        echo "Running Unit Tests and Style Checks for ${functionName}"
                        dir("lambda/${functionName}") {
                            withEcr {
                                try {
                                    sh "docker compose run --rm --build lint-and-test"
                                }
                                finally {
                                    sh "docker compose down -v"
                                }
                            }
                        }
                    }
                }
            }
        }

        stage('Static Application Security Tests') {
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    echo "Running Static App Security Tests for ${functionName}"
                    sastTests(projectDir: "lambda/${functionName}")
                }
            }
        }

        stage('Sonar Scan and Analysis') {
            agent any
            when {
                branch 'master'
            }
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    sonarScan project: "${GITHUB_REPOSITORY}-${functionName.replaceAll('_', '-')}",
                        language: 'py',
                        projectBaseDir: "lambda/${functionName}"
                }
            }
        }

        stage('Create a Release') {
            when {
                anyOf {
                    branch 'master'
                    expression { env.GITHUB_COMMENT =~ 'build docker' }
                    expression { pullRequest.labels.contains('build docker') }
                }
            }
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    echo "Building for ${functionName}"
                    dockerToEcr awsRegions: AWS_REGIONS,
                        ecrAccountId: ECR_ACCOUNT_ID,
                        imageName: "lambda-${functionName.replaceAll('_', '-')}",
                        imageTag: env.GIT_COMMIT,
                        dockerBuildContext: "lambda/${functionName}",
                        dockerBuildFile: "lambda/${functionName}/Dockerfile"
                }
            }
        }

        stage('Deploy to QA') {
            when {
                branch 'master'
            }
            steps {
                withModifiedFunctions { functionName ->
                    echo "Deploying to QA for ${functionName}"
                    dir("lambda/${functionName}") {
                        lambdaDeploy environment: 'qa',
                            awsRegions: AWS_REGIONS,
                            imageTag: env.GIT_COMMIT,
                            imageName: "lambda-${functionName.replaceAll('_', '-')}",
                            ecrRegistryAccountId: ECR_ACCOUNT_ID,
                            awsDeploymentTargetAccountId: QA_ACCOUNT_ID,
                            awsDeploymentRoleName: QA_DEPLOYMENT_ROLE
                    }
                }
            }
        }

        stage('Scan Docker Images') {
            when {
                anyOf {
                    branch 'master'
                    expression { env.GITHUB_COMMENT =~ 'build docker' }
                    expression { pullRequest.labels.contains('build docker') }
                }
            }
            steps {
                withModifiedFunctions { functionName ->
                    echo "Scanning Docker Images for ${functionName}"
                    dir("lambda/${functionName}") {
                        dockerScan awsRegion: AWS_REGIONS[0],
                            ecrAccountId: ECR_ACCOUNT_ID,
                            imageName: "lambda-${functionName.replaceAll('_', '-')}",
                            imageTag: env.GIT_COMMIT,
                            vulnerabilitiesToIgnore: lambdaVulnerabilityMap[functionName],
                            slackNotificationChannel: (env.BRANCH_NAME == 'master' ? SLACK_NOTIFICATIONS_CHANNEL : null)
                    }
                }
            }
        }

        stage('Deploy to PROD') {
            when {
                allOf {
                    branch 'master'
                    expression { params.DEPLOY_TO_PROD }
                }
            }
            steps {
                withModifiedFunctions(checkout: true) { functionName ->
                    echo "Deploying to PROD for ${functionName}"
                    dir("lambda/${functionName}") {
                        lambdaDeploy environment: 'prod',
                            awsRegions: AWS_REGIONS,
                            imageTag: env.GIT_COMMIT,
                            imageName: "lambda-${functionName.replaceAll('_', '-')}",
                            ecrRegistryAccountId: ECR_ACCOUNT_ID,
                            awsDeploymentTargetAccountId: PROD_ACCOUNT_ID,
                            awsDeploymentRoleName: PROD_DEPLOYMENT_ROLE
                    }
                    echo "Publishing Software Catalog definition for ${functionName}"
                    datadogSoftwareCatalogPublish(servicePath: "lambda/${functionName}")
                }
            }
        }
    }

    post {
        regression {
            script {
                if (env.BRANCH_NAME == 'master') {
                    slackNotify channel: SLACK_NOTIFICATIONS_CHANNEL
                }
            }
        }
        fixed {
            script {
                if (env.BRANCH_NAME == 'master') {
                    slackNotify channel: SLACK_NOTIFICATIONS_CHANNEL
                }
            }
        }
    }
}

def withModifiedFunctions(Map args = [:], Closure steps) {
    getMonorepoUtils().withModifiedProjects(args, steps)
}

def getMonorepoUtils() {
    return library("jenkins-global-libraries@${params.SHARED_LIBRARIES_VERSION}").com.sonymusic.MonorepoUtils.getInstance(
        steps: this,
        projectBasePath: 'lambda',
        projectsToBuild: params.LAMBDA_FUNCTION_NAMES ? params.LAMBDA_FUNCTION_NAMES.split(',') as Set : null
    )
}